Fort Worth daily gazette. (Fort Worth, Tex.) 1882-1891, 1887-09-03
-r,,,,,,s AND TORNADOEss
n,o.rence Between tue Two Great
Ibs p'- atmospheric Terrors.

non speech no difference is rec
u g. stween these two classes of
3!a,-s' nut sccurstely speaking they are
:,s:ils5, .~g different. The cyclone is ell
s:'5l 20, .,orrl, il has It's origin in the tropi
9'a'l ~ both hemispheres, and moves
g. So me north. The entire body of
.oTs'[ = storm, has for its pain para
T.-.' Tie cyclones OF the Western
59..: 80 sers or: giuate IL the West Indies,
~. ~, westward till they reach about
..:75. " f1sn curve 10 the northeast
SHINE in th2t direc!ion-some-
81 - a. some distance of the
:rs' ard sometimes on the
.,'s. soe.v trending oceanward and
:15.s, a-;oc in the vicinity Of 80 degrees
is, me diameter Of the storm varies
s.. - ssyeral hundred TO over 8 1000
I.- md It's velocity is from sixty 10
-, lies sr hour. at no point does
a.! ybirl in circle, but there is &
y - 81 the entire body of the storm
:'--.-,;rs srouad the point Of Lowest
:2.'1s.er As rule the velocity of the
-tt--c-eases gradually till it eliminates
-. s . Intensity of movement that
: .-srk TIE largest ships. In the &C
. ,sr.e- Of the storm there is 8 dead
- rgc.ones occur most frequently
- August and November.
- eastern hemisphere they
N the vicinity of the Philippine
49,. moving thence northwestward
- 3sis.!c coas., and then curving to
-o-.7east over the &C scent seas and
-. Tecv gre there known as ty-
- - The origin IL both hemispheres
J.. i o,scc1 al ABOUT ten 20 twelve de
r5-.1 Il tee equsIor, between the
n Gins and the southern
i the trade winds
tornado, On the other hand,
-eys 6 and storm. Its motion is al
-. tom southwest to northeast, ard
..-s,1 varies from few yards to eighty
1 -. in width The moving air always
80. lis appearance in the form OF &
.--~-.-sla2ec cloud, the small end draw
- rear 20 the earth, and re-
r.s ABOUT q central, vertical
49,. With ivconCeiyzDIe rapidlty
,--?.vz7s in right &c left direction, or
este 10 re movement Of the hands
y ws,cl. WITH scarce tn exception
=. -o-ZGaJ occurs in the afternoon, lust
--.r me hottest part of the day il over.
.carsel by hcat, that IS by the con-
Y.ot currents Of low temperature from
-. -Cr.l Ui-l those Of extremely high
..~-ersturc from the south. The strug-
-46f taese atmospheric forces toward an
-,.1-ium OF temperature produces the
-,.s Of swiftly whirEng air which Ue
.,5r s. the tornado cloud. The velocity
ne PARTICLES Of cir in this mass is SO
-g tia. it IS difficult to estimste it.
+. !. IS believed 10 De from IoC
. il7 niles 81 hour, and Is
.,neumes, nc GJuJt, even greater than
rs Observers note four motions OF
II tornado cloud; ], the gyratOry move
-.l. Of lis air particles; >, the onward
-..1u Of the storm; ., the rising and
= ing movement Of the cloud, and (, It's
.-.aon or swayIng from side to side.
n.s s.so stated thai the force OF the tor
$50 IS constant, that il does not seem
s9a1d ..se.t, IS the phrase is, ny the
.sEGctloa # the strongest buildings,
q. ne c.0ui disappears by going from
Il esrt1 upward, evidently being acted
ION ~ iorceS in the upper region of the
1-0spaere. C.Ose observation, such IS
= -tr made by many tOTnadOes IN.
II he Erection of the signal service,
SENS TO .lOw that electricity is not
& active caCSe Of the tornado, but
often present as sn eccompani ment,
5lg generated by the exceedingly rapid
-o.ol q tle sir. Hail always accom-
s-.es Tie tornado, being formed by the
i-l cause that is the rapid cOnGensa
.oc q me moisture OF southern winds
7c5atsc. with cold northern currents
.-:u.cg and thunder never attend or
y tornado cloud Itself, but sometimes
s7gssg in the region Of other outside
-,c3S, while the tornado cloud is in mo-
En- To conclude, we quote from the
-,r-t.y published work Of Lieutenant
Lev Of the signel service on "Torna-
.s,'-t0 which we are Indicted for the
Is summarized abOye-rhe following
zsc-g..on Of the formation Of tornado
---' Two currents Of air ap-
c1aClirE csch other from oppo
lie points Will not come directly
-s5.-er, because O.! the influence Of
L FESTIVE motion of the earth. The
-ass ci al coXIng from the south would
s75 s gre&.er Velocity eastward than tina
-n.ng from the north. Therefore in
&5a5 Of meeting each other in 8 direC
Il, Tie two currents will form 81 angl,
G1e.T Intersection, and the combination
. ne two masses viii give rise to e rota
q N direction contrary TO the hends
watch with its face upward. These
~1-.ious account for tie spiral move
-slt Of the sir currents and the forms
Ion Il the vortex in the tornado. TIT
IA Sir from the northwsrd will under
II tie warmer air from the southwark
5Suse Of the difference III the densit,
lie two masses, end SIS result vii
: Z .1e formation of the whirl."